Which Component Needs to be Upgraded First

IMHO, and at the risk of telling you something you already know, once you've reached your level of components, and especially since your're not considering a speaker upgrade (and I'm not suggesting that you should consider it), the only way to tell is to demo a piece--source, amp, or otherwise--in your home w/ your equipment. Beware of assuming that a newer, more expensive component will give you an upgrade in sound.

Nice speakers. I owned the B&K st-140, you could do much better.

I reccomend you get power straight first,cond,cables,ect.Every other thing after that.imho.

I must admit that I am not a firm believer that significant differences can be achieved via the "right" cables, power cords, and power supplies. It seems like most folks responding to this post suggest upgrading source and amp first. I have taken the first step, and added a DAC right behind the Sony SACD 333ES player. My impression is that that the music improved in clarity and crispness, particularly in bass and mid range representation. I will look around on the Audiogon boards for a good amp deal. Thanks to all for taking the time to help me.